<script lang="ts" setup>
import { inject } from 'vue'
const cart = inject('cart') as {
items: Product[];
removeItem: (productId: number) => void;
total: number;
};
const removeItem = (productId: number) => {
cart.removeItem(productId);
};
export interface Product{
id: number;
name: string;
describe: string;
price: number;
isHot?: boolean;
quantity?: number;
}
const emit = defineEmits(['childremoveItem']);
</script>
<template>
    <div class="cart-container">
    <div class="cart-header">
    <h2>购物车</h2>
    <span class="item-count">{{ cart.items.length }}件商品</span>
    </div>
    <div class="cart-items">
    <div v-if="cart.items.length === 0" class="empty-cart"> 购物车是空的
    </div>
    <div v-else v-for="item in cart.items" :key="item.id" class="cart-item">
    <div class="item-info">
    <h4>{{ item.name }}</h4>
    <p class="item-desc">{{ item.describe }}</p>
    <p class="item-price">¥{{ item.price.toFixed(2) }}</p>
    </div>
    <div class="item-actions">
    <span class="quantity">x{{ item.quantity || 1 }}</span>
    <button @click="removeItem(item.id)" class="remove-btn">删除</button>
    </div>
    </div>
    </div>
    <div v-if="cart.items.length > 0" class="cart-footer">
    <div class="total">
    <span>总计:</span>
    <span class="total-price">¥{{ cart.total.toFixed(2) }}</span>
    </div>
    <button class="checkout-btn">去结算</button>
    </div>
    </div>
    </template>
<style scoped>
.cart-container {
position: fixed;
right: 20px;
top: 80px;
width: 300px;
background-color: white;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
z-index: 100;
}
.cart-header {
padding: 15px;
border-bottom: 1px solid #e0e0e0;
display: flex;
justify-content: space-between;
align-items: center;
}
.item-count {
font-size: 14px;
color: #666;
}
.cart-items {
max-height: 400px;
overflow-y: auto;
padding: 10px;
}
.empty-cart {
padding: 20px;
text-align: center;
color: #666;
}
.cart-item {
display: flex;
justify-content: space-between;
padding: 10px;
border-bottom: 1px solid #f0f0f0;
}
.item-info {
flex: 1;
}
.item-info h4 {
margin: 0 0 5px 0;
font-size: 16px;
}
.item-desc {
margin: 0 0 5px 0;
font-size: 12px;
color: #666;
}
.item-price {
margin: 0;
font-size: 14px;
color: #e74c3c;
}
.item-actions {
display: flex;
align-items: center;
}
.quantity {
margin-right: 10px;
font-size: 14px;
}
.remove-btn {
background-color: transparent;
border: none;
color: #95a5a6;
cursor: pointer;
font-size: 14px;
}
.remove-btn:hover {
color: #e74c3c;
}
.cart-footer {
padding: 15px;
border-top: 1px solid #e0e0e0;
}
.total {
display: flex;
justify-content: space-between;
margin-bottom: 15px;
font-size: 16px;
}
.total-price {
font-weight: bold;
color: #e74c3c;
}
.checkout-btn {
width: 100%;
padding: 10px;
background-color: #2ecc71;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
}
.checkout-btn:hover {
background-color: #27ae60;
}</style>